Home / 168,320.20-252,480.66-68,409.94

Finding the Fourth Proportional to 168,320.20, 252,480.66 and 68,409.94

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Solution

The fourth proportional to 168,320.20, 252,480.66 and 68,409.94 is: 102,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,320.20 : 252,480.66 = 68,409.94 : x
  2. Step 2: Convert to fraction form
    168,320.20/252,480.66 = 68,409.94/x
  3. Step 3: Cross multiply
    168,320.20x = 252,480.66 × 68,409.94
  4. Step 4: Simplify right side
    168,320.20x = 17,272,186,801.76
  5. Step 5: Solve for x
    x = 17,272,186,801.76/168,320.20
  6. Step 6: Final answer
    x = 102,615.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.